  .dev_border_Top{
    border-top: 1px solid #000;
  }
  .dev_title_color{
    background: lightgray;
    padding-left: 2em;
  }
  .dev_border_Light_Right{
    border-left: 1px solid #000;
    border-right: 1px solid #000;
  }
  .dev_title{
  border:1px solid #000;
  border-left: 1px;
  }
  .first_dev_title{
  border:1px solid #000;
  }
  .dev_info_list{
    /*width: 120px;*/
    height: 20px;
    border-radius: 5px;
    /*background-color: red;*/
    margin: 10px 10px 10px 10px;
    font-size: 16px;
    color: #696969;
  }
  .dev_border_list_B{
    border-bottom: 1px solid #000;
  }
  .dev_border_list_R{
    border-right: 1px solid #000;
  }
  .dev_border_list_BR{
    border-bottom: 1px solid #000;
    border-right: 1px solid #000;
  }
  .dev_message{
    text-align: center;
    line-height: 120px;
    font-size: 30px;
    color: orange;
    padding-top:20px;
  }

  .operatorbtn {
    display: inline-block;
    cursor: pointer;
    text-align: center;   
    text-decoration: none;
    outline: none;
    color: #fff;
    background-color: #4CAF50;
    border: none;
    box-shadow: 0 9px #999;
    width: 100px;
    height: 45px;   
    border-radius: 15px;
    margin: 5px 10px 5px 5px;
    font-size: 25px;
  }
  .green:hover {background-color: #3e8e41}
  .green:active {
    background-color: #3e8e41;
    box-shadow: 0 5px #666;
    transform: translateY(4px);
  }
  .red:hover {background-color: #fe0800d5}
  .red:active {
    background-color: #fe0800d5;
    box-shadow: 0 5px #666;
    transform: translateY(4px);
  }
  .green {
    background-color: #5FB878;
  }
  .red {
    background-color: #d9544fc9;
  }

  .led {
    background-color: #f44336; /* Red */
    border: none;
    color: white;
    width:60px;
    height:45px;
    line-height:45px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 5px 5px 5px 5px;
    border-radius:8px;
    cursor: pointer;/**/
    -webkit-transition-duration: 0.4s; /* Safari */
    transition-duration: 0.4s; 
  }

  .led_on {
    box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24),0 17px 50px 0 rgba(0,0,0,0.19);
    background-color: #4CAF50; /* Green */
  }
  .led_off {
    background-color: #f44336; /* Red */
  }